No problem, we've got 9911 and 4008 to multiply
9911 × 4008 = 4008 × (9911)
+ 4008 × 1 what gives us 4008
+ 4008 × 10 what gives us 40080
+ 4008 × 900 which equals 3607200
+ 4008 × 9000 producing 36072000

= 39723288
